---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1018 6.8.0-90-generic #91-Ubuntu SMP PREEMPT_DYNAMIC Tue Nov 18 14:14:30 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 2 On-line CPU(s) list: 0,1 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 2 Stepping: 0 BogoMIPS: 5599.99 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 64 KiB (2 instances) L1i cache: 64 KiB (2 instances) L2 cache: 1 MiB (2 instances) L3 cache: 32 MiB (2 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0,1 Vulnerability Gather data sampling: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Vulnerable: Safe RET, no microcode Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 2 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 795M 1.1M 794M 1% /run /dev/vda1 38G 8.0G 30G 22% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda16 881M 117M 703M 15% /boot /dev/vda15 105M 6.2M 99M 6% /boot/efi tmpfs 795M 16K 795M 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7941 778 5097 4 2359 7163 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host noprefixroute valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:79:79:9e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.252/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80976sec preferred_lft 80976sec inet6 fe80::f816:3eff:fe79:799e/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1018) 08/01/26 _x86_64_ (2 CPU) 00:43:43 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:16 2.07 0.25 1.80 0.02 30.27 77.65 425.60 01:10:53 1.31 0.00 1.29 0.02 0.99 15.43 0.98 01:20:01 1.40 0.00 1.38 0.02 0.01 16.42 1.18 01:30:26 13.66 0.00 1.58 12.08 0.14 19.25 105239.23 01:40:26 1.34 0.00 1.32 0.02 0.00 15.92 1.20 01:50:21 14.83 1.63 12.16 1.03 117.61 2381.22 214.54 02:00:06 11.27 1.25 8.67 1.35 111.23 1209.40 303.39 02:10:26 1.34 0.00 1.34 0.00 0.00 79.86 0.00 Average: 5.90 0.39 3.65 1.86 32.00 468.71 13742.79 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:16 6236892 7514792 304952 3.75 30932 1452400 731780 7.97 454896 1205668 132 01:10:53 6251840 7530636 289104 3.55 31156 1453068 531360 5.79 449960 1206244 168 01:20:01 6265756 7545064 274676 3.38 31356 1453368 558688 6.09 453808 1206748 164 01:30:26 6263948 7543840 275808 3.39 31572 1453740 558696 6.09 454900 1207296 180 01:40:26 6262968 7543548 276132 3.40 31788 1454200 558760 6.09 457272 1207852 152 01:50:21 5455708 7399352 380088 4.67 72136 2042652 676484 7.37 567688 1819960 3524 02:00:06 5156744 7378940 387092 4.76 87720 2294124 675708 7.36 618280 2058288 804 02:10:26 5132744 7374284 391748 4.82 87872 2313336 679776 7.40 622144 2077628 536 Average: 5878325 7478807 322450 3.96 50566 1739611 621406 6.77 509868 1498710 708 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:16 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:16 ens3 1.51 0.47 3.27 0.07 0.00 0.00 0.00 0.00 01:10:53 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:53 ens3 1.50 0.06 0.23 0.05 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 1.38 0.33 0.30 0.72 0.00 0.00 0.00 0.00 01:30:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:26 ens3 0.78 0.05 0.14 0.03 0.00 0.00 0.00 0.00 01:40:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:26 ens3 0.92 0.11 0.18 0.07 0.00 0.00 0.00 0.00 01:50:21 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 01:50:21 ens3 40.92 25.94 281.11 5.98 0.00 0.00 0.00 0.00 02:00:06 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 02:00:06 ens3 63.33 49.19 47.18 9.00 0.00 0.00 0.00 0.00 02:10:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:26 ens3 31.45 29.98 8.19 4.84 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 17.53 13.14 41.94 2.56 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1018) 08/01/26 _x86_64_ (2 CPU) 00:43:43 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:16 all 0.37 0.00 0.18 0.03 0.02 99.39 01:00:16 0 0.32 0.00 0.20 0.02 0.02 99.43 01:00:16 1 0.42 0.00 0.17 0.04 0.02 99.35 01:10:53 all 0.22 0.00 0.07 0.01 0.03 99.66 01:10:53 0 0.06 0.00 0.08 0.01 0.03 99.82 01:10:53 1 0.38 0.00 0.07 0.01 0.03 99.51 01:20:01 all 0.26 0.00 0.07 0.01 0.03 99.63 01:20:01 0 0.11 0.00 0.08 0.02 0.03 99.77 01:20:01 1 0.41 0.00 0.07 0.00 0.03 99.49 01:30:26 all 0.28 0.00 0.15 0.04 0.03 99.50 01:30:26 0 0.28 0.00 0.12 0.02 0.03 99.55 01:30:26 1 0.29 0.00 0.17 0.06 0.03 99.45 01:40:26 all 0.26 0.00 0.06 0.01 0.03 99.64 01:40:26 0 0.08 0.00 0.08 0.02 0.04 99.78 01:40:26 1 0.45 0.00 0.03 0.00 0.02 99.50 01:50:21 all 6.34 0.00 0.91 0.38 0.04 92.33 01:50:21 0 6.52 0.00 1.00 0.57 0.03 91.88 01:50:21 1 6.16 0.00 0.82 0.19 0.05 92.79 02:00:06 all 10.52 0.00 1.29 0.29 0.07 87.82 02:00:06 0 9.50 0.00 1.15 0.17 0.07 89.11 02:00:06 1 11.56 0.00 1.44 0.41 0.07 86.52 02:10:26 all 6.98 0.00 0.50 1.15 0.07 91.29 02:10:26 0 6.45 0.00 0.46 1.59 0.07 91.43 02:10:26 1 7.51 0.00 0.55 0.71 0.07 91.16 Average: all 3.12 0.00 0.40 0.24 0.04 96.20 Average: 0 2.88 0.00 0.39 0.31 0.04 96.38 Average: 1 3.35 0.00 0.41 0.18 0.04 96.02